Carrier 58MXA Installation, Start-Up, And Operating Instructions Manual page 27

ALTITUDE (FT) UNIT SIZE
040-08
040-12
060-08
060-12
060-16
080-12
080-16
080-20
0 to 2000
100-16
100-20
120-20
140-20
ALTITUDE (FT) UNIT SIZE
040-08
040-12
060-08
060-12
060-16
080-12
080-16
080-20
2001 to 3000
100-16
100-20
120-20
140-20
ALTITUDE (FT) UNIT SIZE
040-08
040-12
060-08
060-12
060-16
080-12
080-16
080-20
3001 to 4000
100-16
100-20
120-20
140-20
See notes at end of table
37.) Sidewall termination may require sealing or shielding of
building surfaces with a corrosive resistance material due to
corrosive combustion products of vent system.
Table 7—Maximum Allowable Pipe Length (ft)
TERMINATION PIPE DIA
TYPE (IN.)*
1
2 Pipe or 2-in
1-1/2
Concentric
2
1-1/2
2 Pipe or 2-in
Concentric
2
1-1/2
2 Pipe or 2-in
2
Concentric
2-1/2
2
2 Pipe or 3-in
2-1/2
Concentric
3
2-1/2 one disk
2 Pipe or 3-in.
3†
Concentric
3† no disk
2-1/2 one disk
3† one disk
2 Pipe or 3-in.
Concentric
3† no disk
4† no disk
TERMINATION PIPE DIA
TYPE (IN.)*
1-1/2
2 Pipe or 2-in
Concentric
2
1–1/2
2 Pipe or 2-in
Concentric
2
2
2 Pipe or 2-in
Concentric
2-1/2
2–1/2
2 Pipe or 3-in
Concentric
3
3
2 Pipe or 3-in.
3† no disk
Concentric
4† no disk
3† one disk
2 Pipe or 3-in.
3† no disk
Concentric
4† no disk
TERMINATION PIPE DIA
TYPE (IN.)*
1-1/2
2 Pipe or 2-in
Concentric
2
1–1/2
2 Pipe or 2-in
Concentric
2
2
2 Pipe or 2-in
Concentric
2-1/2
2-1/2
2 Pipe or 3-in
Concentric
3
3† no disk
2 Pipe or 3-in.
Concentric
4† no disk
3† one disk
2 Pipe or 3-in.
3† no disk
Concentric
4† no disk
27
NUMBER OF 90° ELBOWS
1 2 3
5 NA NA
70 70 65
70 70 70
20 15 10
70 70 70
10 NA NA
55 50 35
70 70 70
5 NA NA
40 30 20
70 70 70
10 NA NA
45 40 35
70 70 70
5 NA NA
40 35 30
60 56 52
70 70 70
NUMBER OF 90° ELBOWS
1 2 3
67 62 57
70 70 70
17 12 7
70 67 66
49 44 30
70 70 70
35 26 16
70 70 70
14 9 NA
70 70 63
70 70 70
20 15 10
39 35 31
70 70 70
NUMBER OF 90° ELBOWS
1 2 3
64 59 54
70 70 70
16 11 6
68 63 62
46 41 28
70 70 70
33 24 15
70 70 70
65 58 51
70 70 70
11 6 NA
30 26 22
70 70 70
Extended Exposed Sidewall Pipes
Sidewall combustion-air and vent pipe terminations may be
extended beyond area shown in Fig. 39 or 40 in outside ambient by
insulating pipes as indicated in Table 8.
4 5 6
NA NA NA
60 60 55
70 70 70
5 NA NA
70 70 70
NA NA NA
30 30 20
70 70 70
NA NA NA
20 10 NA
70 70 70
NA NA NA
30 25 20
70 70 70
NA NA NA
25 20 15
48 44 40
70 70 70
4 5 6
52 52 47
70 70 70
NA NA NA
61 61 61
25 25 15
70 70 70
16 6 NA
70 66 61
NA NA NA
56 50 43
70 70 70
5 NA NA
27 23 19
70 70 70
4 5 6
49 48 43
70 70 70
NA NA NA
57 57 56
23 22 13
70 70 70
14 5 NA
66 61 56
44 38 31
70 70 70
NA NA NA
18 14 10
70 70 70